Moscow Mule Solid Copper Mug - 16oz 100% Authentic Pure Copper, Mug & Handle (NOT Copper Plated or Lined). 16 Ounce Capacity Highest Quality Moscow Mule Mug on Amazon. Multiple Uses: Keeps all of your favorite drinks cold longer. Uses include, but not limited to Moscow Mules, Beer Mugs, Whiskey, Vodka, Rum and Tequila Mixed Drinks, etc. Made from Heavy Gauge Copper and a Hand Riveted Copper Handle will ensure this mug will last for generations.